i have had horrible luck with the bullhead but have not given up. things that i have found: screw them on really tight or use glue as they may unscrew in flight and break when they hit. use a 4 fletch and 5" feathers, longer shaft, probably stiffer also, they fly nice but only if you have enough feather to spin them. i have also hit 3 birds in the neck, all under 15 yards and all three bounced off, one cause the head came unscrewed. i shoot either a 47 # recurve or a 50# compound and that seems too light to make a bullhead work, don't know what lb. those in the video's shoot but bet it is much heavier, yet the hits mostly stops their arrows also. magnus is a terrible company to try and talk too, they just don't give a damn, mostly won't even respond

cheers